Facebook announced that it would discontinue support for older versions of Messenger by March end. The Facebook Messenger app will no longer be supported on devices that run on Windows Phone 8.1 or lower.

Microsoft has finally released Windows 10 Mobile to more devices in addition to the Lumia 950 and Lumia 950 XL. For Windows Phone 8.1 users, here's how to check if your device is compatible with the upgrade and how to install the new operating system.

Windows 10 Mobile has faced delays so far, but the wait may finally be over soon. According to newly-surfaced information, Microsoft sent an email to partners to announce that it now targets a March release for the update.

Microsoft keeps delaying the Windows 10 Mobile rollout, but a company spokesperson now offers some new information. Some Windows Phone 8.1 devices will first have to get firmware updates in preparation for the new OS.

Not sure whether your phone is compatible with Windows 10 Mobile? Microsoft has a new 'Upgrade Advisor' app in the works, designed to let users check whether their Windows Phone 8.1 device is ready for Windows 10 Mobile.

Verizon's LG Lancet makes a switch from Windows Phone 8.1 to Android 5.1.1 Lollipop. The hardware specs of the LG Lancet remain unchanged but battery performance has reduced due to the switch in operating systems.

Sprint will soon offer the Microsoft Lumia 635 to its prepaid customers on Boost Mobile and Virgin Mobile, and to Sprint postpaid customers in early January. The handset will retail for $99.99 off-contract.

Microsoft is still looking for that one killer phone to bring Windows Phone out of its 3-year slumber and into the big league. With the launch of the Selfie-oriented Lumia 730, the software company might have finally found the right device.

HTC has just announced that it will come out with a version of the One M8 that runs on Windows Phone 8.1. The phone is similar to the Android version in terms of hardware, but it comes fitted with popular Windows Phone features like Cortana.

An update for Windows Phone 8.1 has been released for anyone using Microsoft's "Preview for Developers" app on their smartphone. Windows Phone 8.1 GDR1 contains new features like Live Folders, Cortana improvements and more.

Microsoft isn't keen on trapping Cortana in the United States, as the company is preparing to bring her to new markets such as China and the UK. India, Australia and Canada will also get a version based on the US and UK version of Cortana.

The upcoming Microsoft Windows Phone 8.1 update is said to include support for native folders, bigger devices, and interactive smart cases. The yet-to-be announced OS update is anticipated to arrive this coming August.

The Windows Phone 8.1 update will bring Smart Cases and Smart Cover features and support for larger phablet and tablet screens, bringing the OS level with newer Android features. Additional support for folder on Windows Phones will also be included.

A leaked document reveals the schedule of when Nokia plans on releasing its Lumia Cyan/Windows Phone 8.1 update. Find out when you can expect the software update to hit your Windows Phone 8 Lumia smartphone.

Microsoft finally sent Windows Phone 8.1 out to developers on Monday. Early reviews indicate that the latest version of Microsoft's mobile OS is a real winner. Will these improvements be enough to boost the Windows Phone market share?

Even though Cortana won't arrive on your Windows Phone until this summer, a few early reviewers have taken the lovely new digital assistant for a spin. From what they've seen so far, it looks like Siri and Google Now have some real competition.

Nokia's latest Windows Phone 8.1 smartphones include the Lumia 630 and Lumia 635. The Nokia Lumia 635 is expected to hit the U.S. this summer and will be offered by carriers T-Mobile, AT&T, and MetroPCS.